Abstract
Reactive comb (RC) polymers with different molecular architectures have been successfully synthesized by copolymerizing methyl methacrylate (MMA), glycidyl methacrylate (GMA), and a series of MMA macromer with different molecular weights. The prepared RC polymers with different lengths of side chains were applied as compatibilizers in an immiscible poly(l-lactic acid)/poly(vinylidene fluoride) (PLLA/PVDF) blend, and it was found that the RC polymers with moderate length of side chain (e.g., Mn = 4800 g mol–1) displayed better compatibilizing efficiencies than RC polymers with short side chain (e.g., Mn = 2400 g mol–1) and let alone the reactive linear (RL) polymers without side chains. The thus obtained PLLA/PVDF blends with PLLA as a matrix will provide excellent adhesion with the surfaces of the metals and cells, and it was found that RC polymers endowed the PLLA/PVDF blend with excellent toughness and the RC-compatibilized blend could be uniaxially stretched to a maximum draw ratio of 5 at room tempera...
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